Additionally you can get the games much cheaper. Steam games are normally much cheaper than the Nintendo closed store. You also have Hero launcher which allows you Epic And Gog games. Epic gifts every week a new game. That alone is more than most switch players will own.
That is not true. Steam games are normally much cheaper, you can also get tons of free games over Steam or Epic. Biggest issue with Steam Deck is the size. It is adult sized even my wife is not comfortable with it and it is too big for children. You would need to use it in combination with a controller.